radioactive content

In this survey, the surface γ dosage, radioactivity specific activity, uranium and thorium series equilibrium, the content of radioactive element of three kinds of typical Chinese zircon mineral has been analyzed, and the component and radioactivity of zircon in Wanning, Hainan Province tested.

调查分析了我国3个典型矿区锆英砂堆放表面γ剂量、放射性比活度、铀系和钍系平衡状况以及放射性元素含量；测定了我国海南万宁矿区锆英砂的组成及放射性。

The natural radioactive substance content was determined for fishes, in thermal spring water, farm products irrigated with such water and other biological samples.

测定了在该泉水中养殖的鱼类及用该泉水灌溉生长的农作物和其他有关环境生物样品中天然放射性物质的含量。

Radioactive determination of the potassium content in living small animal

活体小动物体内钾含量的放射性测定